Master modern JavaScript with ES6+, async patterns, and Node.js APIs. Handles promises, event loops, and browser/Node compatibility.
Install
npx skills add davila7/claude-code-templates --skill javascript-pronpx skills add davila7/claude-code-templates --skill javascript-pro -a claude-code -gnpx skills add davila7/claude-code-templates --skill javascript-pro -a codex -ggemini skills install https://github.com/davila7/claude-code-templates.git --path cli-tool/components/skills/development/javascript-progh skill install davila7/claude-code-templates javascript-progit clone --depth 1 https://github.com/davila7/claude-code-templates /tmp/davila7__claude-code-templates
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/davila7__claude-code-templates/cli-tool/components/skills/development/javascript-pro ~/.claude/skills/javascript-pro # Claude Code
cp -R /tmp/davila7__claude-code-templates/cli-tool/components/skills/development/javascript-pro ~/.agents/skills/javascript-pro # Codex, Cursor, Gemini CLI, Copilot, OpenCode